80940220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{983}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 178536960

約数和(自身を除く): 97596740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 179, 230, 358, 460, 716, 895, 983, 1790, 1966, 3580, 3932, 4117, 4915, 8234, 9830, 16468, 19660, 20585, 22609, 41170, 45218, 82340, 90436, 113045, 175957, 226090, 351914, 452180, 703828, 879785, 1759570, 3519140, 4047011, 8094022, 16188044, 20235055, 40470110, 80940220]

約数ペア:

[(1, 80940220), (2, 40470110), (4, 20235055), (5, 16188044), (10, 8094022), (20, 4047011), (23, 3519140), (46, 1759570), (92, 879785), (115, 703828), (179, 452180), (230, 351914), (358, 226090), (460, 175957), (716, 113045), (895, 90436), (983, 82340), (1790, 45218), (1966, 41170), (3580, 22609), (3932, 20585), (4117, 19660), (4915, 16468), (8234, 9830)]