23678980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 54465264

約数和(自身を除く): 30786284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1493, 1586, 2986, 3172, 3965, 5972, 7465, 7930, 14930, 15860, 19409, 29860, 38818, 77636, 91073, 97045, 182146, 194090, 364292, 388180, 455365, 910730, 1183949, 1821460, 2367898, 4735796, 5919745, 11839490, 23678980]

約数ペア:

[(1, 23678980), (2, 11839490), (4, 5919745), (5, 4735796), (10, 2367898), (13, 1821460), (20, 1183949), (26, 910730), (52, 455365), (61, 388180), (65, 364292), (122, 194090), (130, 182146), (244, 97045), (260, 91073), (305, 77636), (610, 38818), (793, 29860), (1220, 19409), (1493, 15860), (1586, 14930), (2986, 7930), (3172, 7465), (3965, 5972)]