40693640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 99489600

約数和(自身を除く): 58795960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 563, 695, 1112, 1126, 1390, 1807, 2252, 2780, 2815, 3614, 4504, 5560, 5630, 7228, 7319, 9035, 11260, 14456, 14638, 18070, 22520, 29276, 36140, 36595, 58552, 72280, 73190, 78257, 146380, 156514, 292760, 313028, 391285, 626056, 782570, 1017341, 1565140, 2034682, 3130280, 4069364, 5086705, 8138728, 10173410, 20346820, 40693640]

約数ペア:

[(1, 40693640), (2, 20346820), (4, 10173410), (5, 8138728), (8, 5086705), (10, 4069364), (13, 3130280), (20, 2034682), (26, 1565140), (40, 1017341), (52, 782570), (65, 626056), (104, 391285), (130, 313028), (139, 292760), (260, 156514), (278, 146380), (520, 78257), (556, 73190), (563, 72280), (695, 58552), (1112, 36595), (1126, 36140), (1390, 29276), (1807, 22520), (2252, 18070), (2780, 14638), (2815, 14456), (3614, 11260), (4504, 9035), (5560, 7319), (5630, 7228)]