99616640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5021}}^1$

素因数の和:5071

約数の個数: 64

約数和(自身を含む): 245877120

約数和(自身を除く): 146260480

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, 5021, 9920, 10042, 19840, 20084, 25105, 40168, 50210, 80336, 100420, 155651, 160672, 200840, 311302, 321344, 401680, 622604, 642688, 778255, 803360, 1245208, 1556510, 1606720, 2490416, 3113020, 3213440, 4980832, 6226040, 9961664, 12452080, 19923328, 24904160, 49808320, 99616640]

約数ペア:

[(1, 99616640), (2, 49808320), (4, 24904160), (5, 19923328), (8, 12452080), (10, 9961664), (16, 6226040), (20, 4980832), (31, 3213440), (32, 3113020), (40, 2490416), (62, 1606720), (64, 1556510), (80, 1245208), (124, 803360), (128, 778255), (155, 642688), (160, 622604), (248, 401680), (310, 321344), (320, 311302), (496, 200840), (620, 160672), (640, 155651), (992, 100420), (1240, 80336), (1984, 50210), (2480, 40168), (3968, 25105), (4960, 20084), (5021, 19840), (9920, 10042)]