23999375

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 40

約数和(自身を含む): 32989440

約数和(自身を除く): 8990065

約数列:

[1, 5, 19, 25, 43, 47, 95, 125, 215, 235, 475, 625, 817, 893, 1075, 1175, 2021, 2375, 4085, 4465, 5375, 5875, 10105, 11875, 20425, 22325, 26875, 29375, 38399, 50525, 102125, 111625, 191995, 252625, 510625, 558125, 959975, 1263125, 4799875, 23999375]

約数ペア:

[(1, 23999375), (5, 4799875), (19, 1263125), (25, 959975), (43, 558125), (47, 510625), (95, 252625), (125, 191995), (215, 111625), (235, 102125), (475, 50525), (625, 38399), (817, 29375), (893, 26875), (1075, 22325), (1175, 20425), (2021, 11875), (2375, 10105), (4085, 5875), (4465, 5375)]