72806920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107069}}^1$

素因数の和:107097

約数の個数: 32

約数和(自身を含む): 173453400

約数和(自身を除く): 100646480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 107069, 214138, 428276, 535345, 856552, 1070690, 1820173, 2141380, 3640346, 4282760, 7280692, 9100865, 14561384, 18201730, 36403460, 72806920]

約数ペア:

[(1, 72806920), (2, 36403460), (4, 18201730), (5, 14561384), (8, 9100865), (10, 7280692), (17, 4282760), (20, 3640346), (34, 2141380), (40, 1820173), (68, 1070690), (85, 856552), (136, 535345), (170, 428276), (340, 214138), (680, 107069)]