157098328840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{64384561}}^1$

素因数の和:64384633

約数の個数: 32

約数和(自身を含む): 359265855960

約数和(自身を除く): 202167527120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 64384561, 128769122, 257538244, 321922805, 515076488, 643845610, 1287691220, 2575382440, 3927458221, 7854916442, 15709832884, 19637291105, 31419665768, 39274582210, 78549164420, 157098328840]

約数ペア:

[(1, 157098328840), (2, 78549164420), (4, 39274582210), (5, 31419665768), (8, 19637291105), (10, 15709832884), (20, 7854916442), (40, 3927458221), (61, 2575382440), (122, 1287691220), (244, 643845610), (305, 515076488), (488, 321922805), (610, 257538244), (1220, 128769122), (2440, 64384561)]