521788280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32369}}^1$

素因数の和:32424

約数の個数: 64

約数和(自身を含む): 1305158400

約数和(自身を除く): 783370120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 32369, 64738, 129476, 161845, 258952, 323690, 420797, 647380, 841594, 1003439, 1294760, 1683188, 2006878, 2103985, 3366376, 4013756, 4207970, 5017195, 8027512, 8415940, 10034390, 13044707, 16831880, 20068780, 26089414, 40137560, 52178828, 65223535, 104357656, 130447070, 260894140, 521788280]

約数ペア:

[(1, 521788280), (2, 260894140), (4, 130447070), (5, 104357656), (8, 65223535), (10, 52178828), (13, 40137560), (20, 26089414), (26, 20068780), (31, 16831880), (40, 13044707), (52, 10034390), (62, 8415940), (65, 8027512), (104, 5017195), (124, 4207970), (130, 4013756), (155, 3366376), (248, 2103985), (260, 2006878), (310, 1683188), (403, 1294760), (520, 1003439), (620, 841594), (806, 647380), (1240, 420797), (1612, 323690), (2015, 258952), (3224, 161845), (4030, 129476), (8060, 64738), (16120, 32369)]