40471600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 107739632

約数和(自身を除く): 67268032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 43, 50, 52, 65, 80, 86, 100, 104, 130, 172, 181, 200, 208, 215, 260, 325, 344, 362, 400, 430, 520, 559, 650, 688, 724, 860, 905, 1040, 1075, 1118, 1300, 1448, 1720, 1810, 2150, 2236, 2353, 2600, 2795, 2896, 3440, 3620, 4300, 4472, 4525, 4706, 5200, 5590, 7240, 7783, 8600, 8944, 9050, 9412, 11180, 11765, 13975, 14480, 15566, 17200, 18100, 18824, 22360, 23530, 27950, 31132, 36200, 37648, 38915, 44720, 47060, 55900, 58825, 62264, 72400, 77830, 94120, 101179, 111800, 117650, 124528, 155660, 188240, 194575, 202358, 223600, 235300, 311320, 389150, 404716, 470600, 505895, 622640, 778300, 809432, 941200, 1011790, 1556600, 1618864, 2023580, 2529475, 3113200, 4047160, 5058950, 8094320, 10117900, 20235800, 40471600]

約数ペア:

[(1, 40471600), (2, 20235800), (4, 10117900), (5, 8094320), (8, 5058950), (10, 4047160), (13, 3113200), (16, 2529475), (20, 2023580), (25, 1618864), (26, 1556600), (40, 1011790), (43, 941200), (50, 809432), (52, 778300), (65, 622640), (80, 505895), (86, 470600), (100, 404716), (104, 389150), (130, 311320), (172, 235300), (181, 223600), (200, 202358), (208, 194575), (215, 188240), (260, 155660), (325, 124528), (344, 117650), (362, 111800), (400, 101179), (430, 94120), (520, 77830), (559, 72400), (650, 62264), (688, 58825), (724, 55900), (860, 47060), (905, 44720), (1040, 38915), (1075, 37648), (1118, 36200), (1300, 31132), (1448, 27950), (1720, 23530), (1810, 22360), (2150, 18824), (2236, 18100), (2353, 17200), (2600, 15566), (2795, 14480), (2896, 13975), (3440, 11765), (3620, 11180), (4300, 9412), (4472, 9050), (4525, 8944), (4706, 8600), (5200, 7783), (5590, 7240)]