8009980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 19160064

約数和(自身を除く): 11150084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1583, 2530, 3166, 5060, 6332, 7915, 15830, 17413, 31660, 34826, 36409, 69652, 72818, 87065, 145636, 174130, 182045, 348260, 364090, 400499, 728180, 800998, 1601996, 2002495, 4004990, 8009980]

約数ペア:

[(1, 8009980), (2, 4004990), (4, 2002495), (5, 1601996), (10, 800998), (11, 728180), (20, 400499), (22, 364090), (23, 348260), (44, 182045), (46, 174130), (55, 145636), (92, 87065), (110, 72818), (115, 69652), (220, 36409), (230, 34826), (253, 31660), (460, 17413), (506, 15830), (1012, 7915), (1265, 6332), (1583, 5060), (2530, 3166)]