8161851740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{40013}}^1$

素因数の和:40107

約数の個数: 96

約数和(自身を含む): 20651065344

約数和(自身を除く): 12489213604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 124, 140, 155, 188, 217, 235, 310, 329, 434, 470, 620, 658, 868, 940, 1085, 1316, 1457, 1645, 2170, 2914, 3290, 4340, 5828, 6580, 7285, 10199, 14570, 20398, 29140, 40013, 40796, 50995, 80026, 101990, 160052, 200065, 203980, 280091, 400130, 560182, 800260, 1120364, 1240403, 1400455, 1880611, 2480806, 2800910, 3761222, 4961612, 5601820, 6202015, 7522444, 8682821, 9403055, 12404030, 13164277, 17365642, 18806110, 24808060, 26328554, 34731284, 37612220, 43414105, 52657108, 58298941, 65821385, 86828210, 116597882, 131642770, 173656420, 233195764, 263285540, 291494705, 408092587, 582989410, 816185174, 1165978820, 1632370348, 2040462935, 4080925870, 8161851740]

約数ペア:

[(1, 8161851740), (2, 4080925870), (4, 2040462935), (5, 1632370348), (7, 1165978820), (10, 816185174), (14, 582989410), (20, 408092587), (28, 291494705), (31, 263285540), (35, 233195764), (47, 173656420), (62, 131642770), (70, 116597882), (94, 86828210), (124, 65821385), (140, 58298941), (155, 52657108), (188, 43414105), (217, 37612220), (235, 34731284), (310, 26328554), (329, 24808060), (434, 18806110), (470, 17365642), (620, 13164277), (658, 12404030), (868, 9403055), (940, 8682821), (1085, 7522444), (1316, 6202015), (1457, 5601820), (1645, 4961612), (2170, 3761222), (2914, 2800910), (3290, 2480806), (4340, 1880611), (5828, 1400455), (6580, 1240403), (7285, 1120364), (10199, 800260), (14570, 560182), (20398, 400130), (29140, 280091), (40013, 203980), (40796, 200065), (50995, 160052), (80026, 101990)]