40359020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 101098368

約数和(自身を除く): 60739348

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 397, 442, 460, 598, 782, 794, 884, 1105, 1196, 1495, 1564, 1588, 1955, 1985, 2210, 2990, 3910, 3970, 4420, 5083, 5161, 5980, 6749, 7820, 7940, 9131, 10166, 10322, 13498, 18262, 20332, 20644, 25415, 25805, 26996, 33745, 36524, 45655, 50830, 51610, 67490, 87737, 91310, 101660, 103220, 118703, 134980, 155227, 175474, 182620, 237406, 310454, 350948, 438685, 474812, 593515, 620908, 776135, 877370, 1187030, 1552270, 1754740, 2017951, 2374060, 3104540, 4035902, 8071804, 10089755, 20179510, 40359020]

約数ペア:

[(1, 40359020), (2, 20179510), (4, 10089755), (5, 8071804), (10, 4035902), (13, 3104540), (17, 2374060), (20, 2017951), (23, 1754740), (26, 1552270), (34, 1187030), (46, 877370), (52, 776135), (65, 620908), (68, 593515), (85, 474812), (92, 438685), (115, 350948), (130, 310454), (170, 237406), (221, 182620), (230, 175474), (260, 155227), (299, 134980), (340, 118703), (391, 103220), (397, 101660), (442, 91310), (460, 87737), (598, 67490), (782, 51610), (794, 50830), (884, 45655), (1105, 36524), (1196, 33745), (1495, 26996), (1564, 25805), (1588, 25415), (1955, 20644), (1985, 20332), (2210, 18262), (2990, 13498), (3910, 10322), (3970, 10166), (4420, 9131), (5083, 7940), (5161, 7820), (5980, 6749)]