521105540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{5923}}^1$

素因数の和:6068

約数の個数: 48

約数和(自身を含む): 1128593088

約数和(自身を除く): 607487548

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 332, 415, 530, 830, 1060, 1660, 4399, 5923, 8798, 11846, 17596, 21995, 23692, 29615, 43990, 59230, 87980, 118460, 313919, 491609, 627838, 983218, 1255676, 1569595, 1966436, 2458045, 3139190, 4916090, 6278380, 9832180, 26055277, 52110554, 104221108, 130276385, 260552770, 521105540]

約数ペア:

[(1, 521105540), (2, 260552770), (4, 130276385), (5, 104221108), (10, 52110554), (20, 26055277), (53, 9832180), (83, 6278380), (106, 4916090), (166, 3139190), (212, 2458045), (265, 1966436), (332, 1569595), (415, 1255676), (530, 983218), (830, 627838), (1060, 491609), (1660, 313919), (4399, 118460), (5923, 87980), (8798, 59230), (11846, 43990), (17596, 29615), (21995, 23692)]