40881464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 92080800

約数和(自身を除く): 51199336

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1217, 1292, 1768, 1976, 2434, 2584, 4199, 4868, 8398, 9736, 15821, 16796, 20689, 23123, 31642, 33592, 41378, 46246, 63284, 82756, 92492, 126568, 165512, 184984, 268957, 300599, 393091, 537914, 601198, 786182, 1075828, 1202396, 1572364, 2151656, 2404792, 3144728, 5110183, 10220366, 20440732, 40881464]

約数ペア:

[(1, 40881464), (2, 20440732), (4, 10220366), (8, 5110183), (13, 3144728), (17, 2404792), (19, 2151656), (26, 1572364), (34, 1202396), (38, 1075828), (52, 786182), (68, 601198), (76, 537914), (104, 393091), (136, 300599), (152, 268957), (221, 184984), (247, 165512), (323, 126568), (442, 92492), (494, 82756), (646, 63284), (884, 46246), (988, 41378), (1217, 33592), (1292, 31642), (1768, 23123), (1976, 20689), (2434, 16796), (2584, 15821), (4199, 9736), (4868, 8398)]