25582180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 58839984

約数和(自身を除く): 33257804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 1613, 3172, 3226, 3965, 6452, 7930, 8065, 15860, 16130, 20969, 32260, 41938, 83876, 98393, 104845, 196786, 209690, 393572, 419380, 491965, 983930, 1279109, 1967860, 2558218, 5116436, 6395545, 12791090, 25582180]

約数ペア:

[(1, 25582180), (2, 12791090), (4, 6395545), (5, 5116436), (10, 2558218), (13, 1967860), (20, 1279109), (26, 983930), (52, 491965), (61, 419380), (65, 393572), (122, 209690), (130, 196786), (244, 104845), (260, 98393), (305, 83876), (610, 41938), (793, 32260), (1220, 20969), (1586, 16130), (1613, 15860), (3172, 8065), (3226, 7930), (3965, 6452)]