90095920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2198

約数の個数: 80

約数和(自身を含む): 229056768

約数和(自身を除く): 138960848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2137, 2480, 2635, 4216, 4274, 5270, 8432, 8548, 10540, 10685, 17096, 21080, 21370, 34192, 36329, 42160, 42740, 66247, 72658, 85480, 132494, 145316, 170960, 181645, 264988, 290632, 331235, 363290, 529976, 581264, 662470, 726580, 1059952, 1126199, 1324940, 1453160, 2252398, 2649880, 2906320, 4504796, 5299760, 5630995, 9009592, 11261990, 18019184, 22523980, 45047960, 90095920]

約数ペア:

[(1, 90095920), (2, 45047960), (4, 22523980), (5, 18019184), (8, 11261990), (10, 9009592), (16, 5630995), (17, 5299760), (20, 4504796), (31, 2906320), (34, 2649880), (40, 2252398), (62, 1453160), (68, 1324940), (80, 1126199), (85, 1059952), (124, 726580), (136, 662470), (155, 581264), (170, 529976), (248, 363290), (272, 331235), (310, 290632), (340, 264988), (496, 181645), (527, 170960), (620, 145316), (680, 132494), (1054, 85480), (1240, 72658), (1360, 66247), (2108, 42740), (2137, 42160), (2480, 36329), (2635, 34192), (4216, 21370), (4274, 21080), (5270, 17096), (8432, 10685), (8548, 10540)]