41280640

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1289

約数の個数: 64

約数和(自身を含む): 100631160

約数和(自身を除く): 59350520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1217, 1696, 2120, 2434, 3392, 4240, 4868, 6085, 6784, 8480, 9736, 12170, 16960, 19472, 24340, 33920, 38944, 48680, 64501, 77888, 97360, 129002, 155776, 194720, 258004, 322505, 389440, 516008, 645010, 778880, 1032016, 1290020, 2064032, 2580040, 4128064, 5160080, 8256128, 10320160, 20640320, 41280640]

約数ペア:

[(1, 41280640), (2, 20640320), (4, 10320160), (5, 8256128), (8, 5160080), (10, 4128064), (16, 2580040), (20, 2064032), (32, 1290020), (40, 1032016), (53, 778880), (64, 645010), (80, 516008), (106, 389440), (128, 322505), (160, 258004), (212, 194720), (265, 155776), (320, 129002), (424, 97360), (530, 77888), (640, 64501), (848, 48680), (1060, 38944), (1217, 33920), (1696, 24340), (2120, 19472), (2434, 16960), (3392, 12170), (4240, 9736), (4868, 8480), (6085, 6784)]