68944780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1013}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 150250464

約数和(自身を除く): 81305684

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1013, 1660, 2026, 3403, 4052, 5065, 6806, 10130, 13612, 17015, 20260, 34030, 41533, 68060, 83066, 84079, 166132, 168158, 207665, 336316, 415330, 420395, 830660, 840790, 1681580, 3447239, 6894478, 13788956, 17236195, 34472390, 68944780]

約数ペア:

[(1, 68944780), (2, 34472390), (4, 17236195), (5, 13788956), (10, 6894478), (20, 3447239), (41, 1681580), (82, 840790), (83, 830660), (164, 420395), (166, 415330), (205, 336316), (332, 207665), (410, 168158), (415, 166132), (820, 84079), (830, 83066), (1013, 68060), (1660, 41533), (2026, 34030), (3403, 20260), (4052, 17015), (5065, 13612), (6806, 10130)]