64274480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13171}}^1$

素因数の和:13245

約数の個数: 40

約数和(自身を含む): 151899504

約数和(自身を除く): 87625024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13171, 26342, 52684, 65855, 105368, 131710, 210736, 263420, 526840, 803431, 1053680, 1606862, 3213724, 4017155, 6427448, 8034310, 12854896, 16068620, 32137240, 64274480]

約数ペア:

[(1, 64274480), (2, 32137240), (4, 16068620), (5, 12854896), (8, 8034310), (10, 6427448), (16, 4017155), (20, 3213724), (40, 1606862), (61, 1053680), (80, 803431), (122, 526840), (244, 263420), (305, 210736), (488, 131710), (610, 105368), (976, 65855), (1220, 52684), (2440, 26342), (4880, 13171)]