196554880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9907}}^1$

素因数の和:9957

約数の個数: 64

約数和(自身を含む): 485095680

約数和(自身を除く): 288540800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9907, 9920, 19814, 19840, 39628, 49535, 79256, 99070, 158512, 198140, 307117, 317024, 396280, 614234, 634048, 792560, 1228468, 1268096, 1535585, 1585120, 2456936, 3071170, 3170240, 4913872, 6142340, 6340480, 9827744, 12284680, 19655488, 24569360, 39310976, 49138720, 98277440, 196554880]

約数ペア:

[(1, 196554880), (2, 98277440), (4, 49138720), (5, 39310976), (8, 24569360), (10, 19655488), (16, 12284680), (20, 9827744), (31, 6340480), (32, 6142340), (40, 4913872), (62, 3170240), (64, 3071170), (80, 2456936), (124, 1585120), (128, 1535585), (155, 1268096), (160, 1228468), (248, 792560), (310, 634048), (320, 614234), (496, 396280), (620, 317024), (640, 307117), (992, 198140), (1240, 158512), (1984, 99070), (2480, 79256), (3968, 49535), (4960, 39628), (9907, 19840), (9920, 19814)]