72505480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21839}}^1$

素因数の和:21933

約数の個数: 32

約数和(自身を含む): 165110400

約数和(自身を除く): 92604920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21839, 43678, 87356, 109195, 174712, 218390, 436780, 873560, 1812637, 3625274, 7250548, 9063185, 14501096, 18126370, 36252740, 72505480]

約数ペア:

[(1, 72505480), (2, 36252740), (4, 18126370), (5, 14501096), (8, 9063185), (10, 7250548), (20, 3625274), (40, 1812637), (83, 873560), (166, 436780), (332, 218390), (415, 174712), (664, 109195), (830, 87356), (1660, 43678), (3320, 21839)]