199401250

素因数分解:

$2^1\times 5^4\times {\mathrm{159521}}^1$

素因数の和:159543

約数の個数: 20

約数和(自身を含む): 373760046

約数和(自身を除く): 174358796

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 159521, 319042, 797605, 1595210, 3988025, 7976050, 19940125, 39880250, 99700625, 199401250]

約数ペア:

[(1, 199401250), (2, 99700625), (5, 39880250), (10, 19940125), (25, 7976050), (50, 3988025), (125, 1595210), (250, 797605), (625, 319042), (1250, 159521)]