40672160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:838

約数の個数: 96

約数和(自身を含む): 107231040

約数和(自身を除く): 66558880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 646, 680, 760, 787, 1292, 1360, 1520, 1574, 1615, 2584, 2720, 3040, 3148, 3230, 3935, 5168, 6296, 6460, 7870, 10336, 12592, 12920, 13379, 14953, 15740, 25184, 25840, 26758, 29906, 31480, 51680, 53516, 59812, 62960, 66895, 74765, 107032, 119624, 125920, 133790, 149530, 214064, 239248, 254201, 267580, 299060, 428128, 478496, 508402, 535160, 598120, 1016804, 1070320, 1196240, 1271005, 2033608, 2140640, 2392480, 2542010, 4067216, 5084020, 8134432, 10168040, 20336080, 40672160]

約数ペア:

[(1, 40672160), (2, 20336080), (4, 10168040), (5, 8134432), (8, 5084020), (10, 4067216), (16, 2542010), (17, 2392480), (19, 2140640), (20, 2033608), (32, 1271005), (34, 1196240), (38, 1070320), (40, 1016804), (68, 598120), (76, 535160), (80, 508402), (85, 478496), (95, 428128), (136, 299060), (152, 267580), (160, 254201), (170, 239248), (190, 214064), (272, 149530), (304, 133790), (323, 125920), (340, 119624), (380, 107032), (544, 74765), (608, 66895), (646, 62960), (680, 59812), (760, 53516), (787, 51680), (1292, 31480), (1360, 29906), (1520, 26758), (1574, 25840), (1615, 25184), (2584, 15740), (2720, 14953), (3040, 13379), (3148, 12920), (3230, 12592), (3935, 10336), (5168, 7870), (6296, 6460)]