61442000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 80

約数和(自身を含む): 153513984

約数和(自身を除く): 92071984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 991, 1000, 1240, 1550, 1982, 2000, 2480, 3100, 3875, 3964, 4955, 6200, 7750, 7928, 9910, 12400, 15500, 15856, 19820, 24775, 30721, 31000, 39640, 49550, 61442, 62000, 79280, 99100, 122884, 123875, 153605, 198200, 245768, 247750, 307210, 396400, 491536, 495500, 614420, 768025, 991000, 1228840, 1536050, 1982000, 2457680, 3072100, 3840125, 6144200, 7680250, 12288400, 15360500, 30721000, 61442000]

約数ペア:

[(1, 61442000), (2, 30721000), (4, 15360500), (5, 12288400), (8, 7680250), (10, 6144200), (16, 3840125), (20, 3072100), (25, 2457680), (31, 1982000), (40, 1536050), (50, 1228840), (62, 991000), (80, 768025), (100, 614420), (124, 495500), (125, 491536), (155, 396400), (200, 307210), (248, 247750), (250, 245768), (310, 198200), (400, 153605), (496, 123875), (500, 122884), (620, 99100), (775, 79280), (991, 62000), (1000, 61442), (1240, 49550), (1550, 39640), (1982, 31000), (2000, 30721), (2480, 24775), (3100, 19820), (3875, 15856), (3964, 15500), (4955, 12400), (6200, 9910), (7750, 7928)]