90889520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 221795328

約数和(自身を除く): 130905808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 547, 620, 670, 1072, 1094, 1240, 1340, 2077, 2188, 2480, 2680, 2735, 4154, 4376, 5360, 5470, 8308, 8752, 10385, 10940, 16616, 16957, 20770, 21880, 33232, 33914, 36649, 41540, 43760, 67828, 73298, 83080, 84785, 135656, 146596, 166160, 169570, 183245, 271312, 293192, 339140, 366490, 586384, 678280, 732980, 1136119, 1356560, 1465960, 2272238, 2931920, 4544476, 5680595, 9088952, 11361190, 18177904, 22722380, 45444760, 90889520]

約数ペア:

[(1, 90889520), (2, 45444760), (4, 22722380), (5, 18177904), (8, 11361190), (10, 9088952), (16, 5680595), (20, 4544476), (31, 2931920), (40, 2272238), (62, 1465960), (67, 1356560), (80, 1136119), (124, 732980), (134, 678280), (155, 586384), (248, 366490), (268, 339140), (310, 293192), (335, 271312), (496, 183245), (536, 169570), (547, 166160), (620, 146596), (670, 135656), (1072, 84785), (1094, 83080), (1240, 73298), (1340, 67828), (2077, 43760), (2188, 41540), (2480, 36649), (2680, 33914), (2735, 33232), (4154, 21880), (4376, 20770), (5360, 16957), (5470, 16616), (8308, 10940), (8752, 10385)]