98499880

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{4421}}^1$

素因数の和:4989

約数の個数: 32

約数和(自身を含む): 222072840

約数和(自身を除く): 123572960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4421, 4456, 5570, 8842, 11140, 17684, 22105, 22280, 35368, 44210, 88420, 176840, 2462497, 4924994, 9849988, 12312485, 19699976, 24624970, 49249940, 98499880]

約数ペア:

[(1, 98499880), (2, 49249940), (4, 24624970), (5, 19699976), (8, 12312485), (10, 9849988), (20, 4924994), (40, 2462497), (557, 176840), (1114, 88420), (2228, 44210), (2785, 35368), (4421, 22280), (4456, 22105), (5570, 17684), (8842, 11140)]