65601640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 173365920

約数和(自身を除く): 107764280

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 41, 52, 65, 68, 82, 85, 104, 130, 136, 164, 170, 181, 205, 221, 260, 328, 340, 362, 410, 442, 520, 533, 680, 697, 724, 820, 884, 905, 1066, 1105, 1394, 1448, 1640, 1768, 1810, 2132, 2210, 2353, 2665, 2788, 3077, 3485, 3620, 4264, 4420, 4706, 5330, 5576, 6154, 6970, 7240, 7421, 8840, 9061, 9412, 10660, 11765, 12308, 13940, 14842, 15385, 18122, 18824, 21320, 23530, 24616, 27880, 29684, 30770, 36244, 37105, 40001, 45305, 47060, 59368, 61540, 72488, 74210, 80002, 90610, 94120, 96473, 123080, 126157, 148420, 160004, 181220, 192946, 200005, 252314, 296840, 320008, 362440, 385892, 400010, 482365, 504628, 630785, 771784, 800020, 964730, 1009256, 1261570, 1600040, 1640041, 1929460, 2523140, 3280082, 3858920, 5046280, 6560164, 8200205, 13120328, 16400410, 32800820, 65601640]

約数ペア:

[(1, 65601640), (2, 32800820), (4, 16400410), (5, 13120328), (8, 8200205), (10, 6560164), (13, 5046280), (17, 3858920), (20, 3280082), (26, 2523140), (34, 1929460), (40, 1640041), (41, 1600040), (52, 1261570), (65, 1009256), (68, 964730), (82, 800020), (85, 771784), (104, 630785), (130, 504628), (136, 482365), (164, 400010), (170, 385892), (181, 362440), (205, 320008), (221, 296840), (260, 252314), (328, 200005), (340, 192946), (362, 181220), (410, 160004), (442, 148420), (520, 126157), (533, 123080), (680, 96473), (697, 94120), (724, 90610), (820, 80002), (884, 74210), (905, 72488), (1066, 61540), (1105, 59368), (1394, 47060), (1448, 45305), (1640, 40001), (1768, 37105), (1810, 36244), (2132, 30770), (2210, 29684), (2353, 27880), (2665, 24616), (2788, 23530), (3077, 21320), (3485, 18824), (3620, 18122), (4264, 15385), (4420, 14842), (4706, 13940), (5330, 12308), (5576, 11765), (6154, 10660), (6970, 9412), (7240, 9061), (7421, 8840)]