128475680

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2963}}^1$

素因数の和:3249

約数の個数: 48

約数和(自身を含む): 304746624

約数和(自身を除く): 176270944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2168, 2710, 2963, 4336, 5420, 5926, 8672, 10840, 11852, 14815, 21680, 23704, 29630, 43360, 47408, 59260, 94816, 118520, 237040, 474080, 802973, 1605946, 3211892, 4014865, 6423784, 8029730, 12847568, 16059460, 25695136, 32118920, 64237840, 128475680]

約数ペア:

[(1, 128475680), (2, 64237840), (4, 32118920), (5, 25695136), (8, 16059460), (10, 12847568), (16, 8029730), (20, 6423784), (32, 4014865), (40, 3211892), (80, 1605946), (160, 802973), (271, 474080), (542, 237040), (1084, 118520), (1355, 94816), (2168, 59260), (2710, 47408), (2963, 43360), (4336, 29630), (5420, 23704), (5926, 21680), (8672, 14815), (10840, 11852)]