13908040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 33611760

約数和(自身を除く): 19703720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 181, 226, 340, 362, 452, 565, 680, 724, 904, 905, 1130, 1448, 1810, 1921, 2260, 3077, 3620, 3842, 4520, 6154, 7240, 7684, 9605, 12308, 15368, 15385, 19210, 20453, 24616, 30770, 38420, 40906, 61540, 76840, 81812, 102265, 123080, 163624, 204530, 347701, 409060, 695402, 818120, 1390804, 1738505, 2781608, 3477010, 6954020, 13908040]

約数ペア:

[(1, 13908040), (2, 6954020), (4, 3477010), (5, 2781608), (8, 1738505), (10, 1390804), (17, 818120), (20, 695402), (34, 409060), (40, 347701), (68, 204530), (85, 163624), (113, 123080), (136, 102265), (170, 81812), (181, 76840), (226, 61540), (340, 40906), (362, 38420), (452, 30770), (565, 24616), (680, 20453), (724, 19210), (904, 15385), (905, 15368), (1130, 12308), (1448, 9605), (1810, 7684), (1921, 7240), (2260, 6154), (3077, 4520), (3620, 3842)]