2786480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:645

約数の個数: 40

約数和(自身を含む): 6596304

約数和(自身を除く): 3809824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 571, 610, 976, 1142, 1220, 2284, 2440, 2855, 4568, 4880, 5710, 9136, 11420, 22840, 34831, 45680, 69662, 139324, 174155, 278648, 348310, 557296, 696620, 1393240, 2786480]

約数ペア:

[(1, 2786480), (2, 1393240), (4, 696620), (5, 557296), (8, 348310), (10, 278648), (16, 174155), (20, 139324), (40, 69662), (61, 45680), (80, 34831), (122, 22840), (244, 11420), (305, 9136), (488, 5710), (571, 4880), (610, 4568), (976, 2855), (1142, 2440), (1220, 2284)]