66399280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{48823}}^1$

素因数の和:48853

約数の個数: 40

約数和(自身を含む): 163462752

約数和(自身を除く): 97063472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 48823, 97646, 195292, 244115, 390584, 488230, 781168, 829991, 976460, 1659982, 1952920, 3319964, 3905840, 4149955, 6639928, 8299910, 13279856, 16599820, 33199640, 66399280]

約数ペア:

[(1, 66399280), (2, 33199640), (4, 16599820), (5, 13279856), (8, 8299910), (10, 6639928), (16, 4149955), (17, 3905840), (20, 3319964), (34, 1952920), (40, 1659982), (68, 976460), (80, 829991), (85, 781168), (136, 488230), (170, 390584), (272, 244115), (340, 195292), (680, 97646), (1360, 48823)]