23891120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 80

約数和(自身を含む): 64201248

約数和(自身を除く): 40310128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1597, 1870, 2992, 3194, 3740, 6388, 7480, 7985, 12776, 14960, 15970, 17567, 25552, 27149, 31940, 35134, 54298, 63880, 70268, 87835, 108596, 127760, 135745, 140536, 175670, 217192, 271490, 281072, 298639, 351340, 434384, 542980, 597278, 702680, 1085960, 1194556, 1405360, 1493195, 2171920, 2389112, 2986390, 4778224, 5972780, 11945560, 23891120]

約数ペア:

[(1, 23891120), (2, 11945560), (4, 5972780), (5, 4778224), (8, 2986390), (10, 2389112), (11, 2171920), (16, 1493195), (17, 1405360), (20, 1194556), (22, 1085960), (34, 702680), (40, 597278), (44, 542980), (55, 434384), (68, 351340), (80, 298639), (85, 281072), (88, 271490), (110, 217192), (136, 175670), (170, 140536), (176, 135745), (187, 127760), (220, 108596), (272, 87835), (340, 70268), (374, 63880), (440, 54298), (680, 35134), (748, 31940), (880, 27149), (935, 25552), (1360, 17567), (1496, 15970), (1597, 14960), (1870, 12776), (2992, 7985), (3194, 7480), (3740, 6388)]