40487860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 105799680

約数和(自身を除く): 65311820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 491, 532, 589, 620, 665, 868, 982, 1085, 1178, 1330, 1964, 2170, 2356, 2455, 2660, 2945, 3437, 4123, 4340, 4910, 5890, 6874, 8246, 9329, 9820, 11780, 13748, 15221, 16492, 17185, 18658, 20615, 30442, 34370, 37316, 41230, 46645, 60884, 65303, 68740, 76105, 82460, 93290, 106547, 130606, 152210, 186580, 213094, 261212, 289199, 304420, 326515, 426188, 532735, 578398, 653030, 1065470, 1156796, 1306060, 1445995, 2024393, 2130940, 2891990, 4048786, 5783980, 8097572, 10121965, 20243930, 40487860]

約数ペア:

[(1, 40487860), (2, 20243930), (4, 10121965), (5, 8097572), (7, 5783980), (10, 4048786), (14, 2891990), (19, 2130940), (20, 2024393), (28, 1445995), (31, 1306060), (35, 1156796), (38, 1065470), (62, 653030), (70, 578398), (76, 532735), (95, 426188), (124, 326515), (133, 304420), (140, 289199), (155, 261212), (190, 213094), (217, 186580), (266, 152210), (310, 130606), (380, 106547), (434, 93290), (491, 82460), (532, 76105), (589, 68740), (620, 65303), (665, 60884), (868, 46645), (982, 41230), (1085, 37316), (1178, 34370), (1330, 30442), (1964, 20615), (2170, 18658), (2356, 17185), (2455, 16492), (2660, 15221), (2945, 13748), (3437, 11780), (4123, 9820), (4340, 9329), (4910, 8246), (5890, 6874)]