650219960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{2221}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 1579042080

約数和(自身を除く): 928822120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 563, 1126, 2221, 2252, 2815, 4442, 4504, 5630, 7319, 8884, 11105, 11260, 14638, 17768, 22210, 22520, 28873, 29276, 36595, 44420, 57746, 58552, 73190, 88840, 115492, 144365, 146380, 230984, 288730, 292760, 577460, 1154920, 1250423, 2500846, 5001692, 6252115, 10003384, 12504230, 16255499, 25008460, 32510998, 50016920, 65021996, 81277495, 130043992, 162554990, 325109980, 650219960]

約数ペア:

[(1, 650219960), (2, 325109980), (4, 162554990), (5, 130043992), (8, 81277495), (10, 65021996), (13, 50016920), (20, 32510998), (26, 25008460), (40, 16255499), (52, 12504230), (65, 10003384), (104, 6252115), (130, 5001692), (260, 2500846), (520, 1250423), (563, 1154920), (1126, 577460), (2221, 292760), (2252, 288730), (2815, 230984), (4442, 146380), (4504, 144365), (5630, 115492), (7319, 88840), (8884, 73190), (11105, 58552), (11260, 57746), (14638, 44420), (17768, 36595), (22210, 29276), (22520, 28873)]