87653360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64451}}^1$

素因数の和:64481

約数の個数: 40

約数和(自身を含む): 215785296

約数和(自身を除く): 128131936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 64451, 128902, 257804, 322255, 515608, 644510, 1031216, 1095667, 1289020, 2191334, 2578040, 4382668, 5156080, 5478335, 8765336, 10956670, 17530672, 21913340, 43826680, 87653360]

約数ペア:

[(1, 87653360), (2, 43826680), (4, 21913340), (5, 17530672), (8, 10956670), (10, 8765336), (16, 5478335), (17, 5156080), (20, 4382668), (34, 2578040), (40, 2191334), (68, 1289020), (80, 1095667), (85, 1031216), (136, 644510), (170, 515608), (272, 322255), (340, 257804), (680, 128902), (1360, 64451)]