25847380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 59164560

約数和(自身を除く): 33317180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1117, 1157, 1780, 2234, 2314, 4468, 4628, 5585, 5785, 11170, 11570, 14521, 22340, 23140, 29042, 58084, 72605, 99413, 145210, 198826, 290420, 397652, 497065, 994130, 1292369, 1988260, 2584738, 5169476, 6461845, 12923690, 25847380]

約数ペア:

[(1, 25847380), (2, 12923690), (4, 6461845), (5, 5169476), (10, 2584738), (13, 1988260), (20, 1292369), (26, 994130), (52, 497065), (65, 397652), (89, 290420), (130, 198826), (178, 145210), (260, 99413), (356, 72605), (445, 58084), (890, 29042), (1117, 23140), (1157, 22340), (1780, 14521), (2234, 11570), (2314, 11170), (4468, 5785), (4628, 5585)]