28449320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22943}}^1$

素因数の和:22985

約数の個数: 32

約数和(自身を含む): 66078720

約数和(自身を除く): 37629400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22943, 45886, 91772, 114715, 183544, 229430, 458860, 711233, 917720, 1422466, 2844932, 3556165, 5689864, 7112330, 14224660, 28449320]

約数ペア:

[(1, 28449320), (2, 14224660), (4, 7112330), (5, 5689864), (8, 3556165), (10, 2844932), (20, 1422466), (31, 917720), (40, 711233), (62, 458860), (124, 229430), (155, 183544), (248, 114715), (310, 91772), (620, 45886), (1240, 22943)]