28274720

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2897}}^1$

素因数の和:2973

約数の個数: 48

約数和(自身を含む): 67917528

約数和(自身を除く): 39642808

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, 2897, 4880, 5794, 9760, 11588, 14485, 23176, 28970, 46352, 57940, 92704, 115880, 176717, 231760, 353434, 463520, 706868, 883585, 1413736, 1767170, 2827472, 3534340, 5654944, 7068680, 14137360, 28274720]

約数ペア:

[(1, 28274720), (2, 14137360), (4, 7068680), (5, 5654944), (8, 3534340), (10, 2827472), (16, 1767170), (20, 1413736), (32, 883585), (40, 706868), (61, 463520), (80, 353434), (122, 231760), (160, 176717), (244, 115880), (305, 92704), (488, 57940), (610, 46352), (976, 28970), (1220, 23176), (1952, 14485), (2440, 11588), (2897, 9760), (4880, 5794)]