40509980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17021}}^1$

素因数の和:17054

約数の個数: 48

約数和(自身を含む): 102949056

約数和(自身を除く): 62439076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 17021, 34042, 68084, 85105, 119147, 170210, 238294, 289357, 340420, 476588, 578714, 595735, 1157428, 1191470, 1446785, 2025499, 2382940, 2893570, 4050998, 5787140, 8101996, 10127495, 20254990, 40509980]

約数ペア:

[(1, 40509980), (2, 20254990), (4, 10127495), (5, 8101996), (7, 5787140), (10, 4050998), (14, 2893570), (17, 2382940), (20, 2025499), (28, 1446785), (34, 1191470), (35, 1157428), (68, 595735), (70, 578714), (85, 476588), (119, 340420), (140, 289357), (170, 238294), (238, 170210), (340, 119147), (476, 85105), (595, 68084), (1190, 34042), (2380, 17021)]