40307816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{821}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 84559140

約数和(自身を除く): 44251324

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 361, 646, 722, 821, 1292, 1444, 1642, 2584, 2888, 3284, 6137, 6568, 12274, 13957, 15599, 24548, 27914, 31198, 49096, 55828, 62396, 111656, 124792, 265183, 296381, 530366, 592762, 1060732, 1185524, 2121464, 2371048, 5038477, 10076954, 20153908, 40307816]

約数ペア:

[(1, 40307816), (2, 20153908), (4, 10076954), (8, 5038477), (17, 2371048), (19, 2121464), (34, 1185524), (38, 1060732), (68, 592762), (76, 530366), (136, 296381), (152, 265183), (323, 124792), (361, 111656), (646, 62396), (722, 55828), (821, 49096), (1292, 31198), (1444, 27914), (1642, 24548), (2584, 15599), (2888, 13957), (3284, 12274), (6137, 6568)]