99437440

素因数分解:

$2^7\times 5^1\times {\mathrm{155371}}^1$

素因数の和:155390

約数の個数: 32

約数和(自身を含む): 237719160

約数和(自身を除く): 138281720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 155371, 310742, 621484, 776855, 1242968, 1553710, 2485936, 3107420, 4971872, 6214840, 9943744, 12429680, 19887488, 24859360, 49718720, 99437440]

約数ペア:

[(1, 99437440), (2, 49718720), (4, 24859360), (5, 19887488), (8, 12429680), (10, 9943744), (16, 6214840), (20, 4971872), (32, 3107420), (40, 2485936), (64, 1553710), (80, 1242968), (128, 776855), (160, 621484), (320, 310742), (640, 155371)]