28795880

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1163}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 64951200

約数和(自身を除く): 36155320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1163, 1238, 2326, 2476, 3095, 4652, 4952, 5815, 6190, 9304, 11630, 12380, 23260, 24760, 46520, 719897, 1439794, 2879588, 3599485, 5759176, 7198970, 14397940, 28795880]

約数ペア:

[(1, 28795880), (2, 14397940), (4, 7198970), (5, 5759176), (8, 3599485), (10, 2879588), (20, 1439794), (40, 719897), (619, 46520), (1163, 24760), (1238, 23260), (2326, 12380), (2476, 11630), (3095, 9304), (4652, 6190), (4952, 5815)]