2253520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1657}}^1$

素因数の和:1687

約数の個数: 40

約数和(自身を含む): 5550984

約数和(自身を除く): 3297464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1657, 3314, 6628, 8285, 13256, 16570, 26512, 28169, 33140, 56338, 66280, 112676, 132560, 140845, 225352, 281690, 450704, 563380, 1126760, 2253520]

約数ペア:

[(1, 2253520), (2, 1126760), (4, 563380), (5, 450704), (8, 281690), (10, 225352), (16, 140845), (17, 132560), (20, 112676), (34, 66280), (40, 56338), (68, 33140), (80, 28169), (85, 26512), (136, 16570), (170, 13256), (272, 8285), (340, 6628), (680, 3314), (1360, 1657)]