12288400

素因数分解:

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

素因数の和:1040

約数の個数: 60

約数和(自身を含む): 30505984

約数和(自身を除く): 18217584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 991, 1240, 1550, 1982, 2480, 3100, 3964, 4955, 6200, 7928, 9910, 12400, 15856, 19820, 24775, 30721, 39640, 49550, 61442, 79280, 99100, 122884, 153605, 198200, 245768, 307210, 396400, 491536, 614420, 768025, 1228840, 1536050, 2457680, 3072100, 6144200, 12288400]

約数ペア:

[(1, 12288400), (2, 6144200), (4, 3072100), (5, 2457680), (8, 1536050), (10, 1228840), (16, 768025), (20, 614420), (25, 491536), (31, 396400), (40, 307210), (50, 245768), (62, 198200), (80, 153605), (100, 122884), (124, 99100), (155, 79280), (200, 61442), (248, 49550), (310, 39640), (400, 30721), (496, 24775), (620, 19820), (775, 15856), (991, 12400), (1240, 9910), (1550, 7928), (1982, 6200), (2480, 4955), (3100, 3964)]