28891250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:848

約数の個数: 40

約数和(自身を含む): 56091420

約数和(自身を除く): 27200170

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 625, 725, 797, 1250, 1450, 1594, 3625, 3985, 7250, 7970, 18125, 19925, 23113, 36250, 39850, 46226, 99625, 115565, 199250, 231130, 498125, 577825, 996250, 1155650, 2889125, 5778250, 14445625, 28891250]

約数ペア:

[(1, 28891250), (2, 14445625), (5, 5778250), (10, 2889125), (25, 1155650), (29, 996250), (50, 577825), (58, 498125), (125, 231130), (145, 199250), (250, 115565), (290, 99625), (625, 46226), (725, 39850), (797, 36250), (1250, 23113), (1450, 19925), (1594, 18125), (3625, 7970), (3985, 7250)]