65142400

素因数分解:

$2^7\times 5^2\times {\mathrm{20357}}^1$

素因数の和:20381

約数の個数: 48

約数和(自身を含む): 160929990

約数和(自身を除く): 95787590

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 20357, 40714, 81428, 101785, 162856, 203570, 325712, 407140, 508925, 651424, 814280, 1017850, 1302848, 1628560, 2035700, 2605696, 3257120, 4071400, 6514240, 8142800, 13028480, 16285600, 32571200, 65142400]

約数ペア:

[(1, 65142400), (2, 32571200), (4, 16285600), (5, 13028480), (8, 8142800), (10, 6514240), (16, 4071400), (20, 3257120), (25, 2605696), (32, 2035700), (40, 1628560), (50, 1302848), (64, 1017850), (80, 814280), (100, 651424), (128, 508925), (160, 407140), (200, 325712), (320, 203570), (400, 162856), (640, 101785), (800, 81428), (1600, 40714), (3200, 20357)]