16653520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 42497280

約数和(自身を除く): 25843760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 239, 260, 268, 335, 478, 520, 536, 670, 871, 956, 1040, 1072, 1195, 1340, 1742, 1912, 2390, 2680, 3107, 3484, 3824, 4355, 4780, 5360, 6214, 6968, 8710, 9560, 12428, 13936, 15535, 16013, 17420, 19120, 24856, 31070, 32026, 34840, 49712, 62140, 64052, 69680, 80065, 124280, 128104, 160130, 208169, 248560, 256208, 320260, 416338, 640520, 832676, 1040845, 1281040, 1665352, 2081690, 3330704, 4163380, 8326760, 16653520]

約数ペア:

[(1, 16653520), (2, 8326760), (4, 4163380), (5, 3330704), (8, 2081690), (10, 1665352), (13, 1281040), (16, 1040845), (20, 832676), (26, 640520), (40, 416338), (52, 320260), (65, 256208), (67, 248560), (80, 208169), (104, 160130), (130, 128104), (134, 124280), (208, 80065), (239, 69680), (260, 64052), (268, 62140), (335, 49712), (478, 34840), (520, 32026), (536, 31070), (670, 24856), (871, 19120), (956, 17420), (1040, 16013), (1072, 15535), (1195, 13936), (1340, 12428), (1742, 9560), (1912, 8710), (2390, 6968), (2680, 6214), (3107, 5360), (3484, 4780), (3824, 4355)]