89720375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 121168320

約数和(自身を除く): 31447945

約数列:

[1, 5, 19, 25, 37, 95, 125, 185, 475, 703, 925, 1021, 2375, 3515, 4625, 5105, 17575, 19399, 25525, 37777, 87875, 96995, 127625, 188885, 484975, 717763, 944425, 2424875, 3588815, 4722125, 17944075, 89720375]

約数ペア:

[(1, 89720375), (5, 17944075), (19, 4722125), (25, 3588815), (37, 2424875), (95, 944425), (125, 717763), (185, 484975), (475, 188885), (703, 127625), (925, 96995), (1021, 87875), (2375, 37777), (3515, 25525), (4625, 19399), (5105, 17575)]