156916895320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{64310203}}^1$

素因数の和:64310275

約数の個数: 32

約数和(自身を含む): 358850938320

約数和(自身を除く): 201934043000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 64310203, 128620406, 257240812, 321551015, 514481624, 643102030, 1286204060, 2572408120, 3922922383, 7845844766, 15691689532, 19614611915, 31383379064, 39229223830, 78458447660, 156916895320]

約数ペア:

[(1, 156916895320), (2, 78458447660), (4, 39229223830), (5, 31383379064), (8, 19614611915), (10, 15691689532), (20, 7845844766), (40, 3922922383), (61, 2572408120), (122, 1286204060), (244, 643102030), (305, 514481624), (488, 321551015), (610, 257240812), (1220, 128620406), (2440, 64310203)]