90251120

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{19121}}^1$

素因数の和:19193

約数の個数: 40

約数和(自身を含む): 213401520

約数和(自身を除く): 123150400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 19121, 38242, 76484, 95605, 152968, 191210, 305936, 382420, 764840, 1128139, 1529680, 2256278, 4512556, 5640695, 9025112, 11281390, 18050224, 22562780, 45125560, 90251120]

約数ペア:

[(1, 90251120), (2, 45125560), (4, 22562780), (5, 18050224), (8, 11281390), (10, 9025112), (16, 5640695), (20, 4512556), (40, 2256278), (59, 1529680), (80, 1128139), (118, 764840), (236, 382420), (295, 305936), (472, 191210), (590, 152968), (944, 95605), (1180, 76484), (2360, 38242), (4720, 19121)]