1640372960

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{168071}}^1$

素因数の和:168147

約数の個数: 48

約数和(自身を含む): 3938935392

約数和(自身を除く): 2298562432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 168071, 336142, 672284, 840355, 1344568, 1680710, 2689136, 3361420, 5378272, 6722840, 10252331, 13445680, 20504662, 26891360, 41009324, 51261655, 82018648, 102523310, 164037296, 205046620, 328074592, 410093240, 820186480, 1640372960]

約数ペア:

[(1, 1640372960), (2, 820186480), (4, 410093240), (5, 328074592), (8, 205046620), (10, 164037296), (16, 102523310), (20, 82018648), (32, 51261655), (40, 41009324), (61, 26891360), (80, 20504662), (122, 13445680), (160, 10252331), (244, 6722840), (305, 5378272), (488, 3361420), (610, 2689136), (976, 1680710), (1220, 1344568), (1952, 840355), (2440, 672284), (4880, 336142), (9760, 168071)]