129759920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55931}}^1$

素因数の和:55973

約数の個数: 40

約数和(自身を含む): 312100560

約数和(自身を除く): 182340640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55931, 111862, 223724, 279655, 447448, 559310, 894896, 1118620, 1621999, 2237240, 3243998, 4474480, 6487996, 8109995, 12975992, 16219990, 25951984, 32439980, 64879960, 129759920]

約数ペア:

[(1, 129759920), (2, 64879960), (4, 32439980), (5, 25951984), (8, 16219990), (10, 12975992), (16, 8109995), (20, 6487996), (29, 4474480), (40, 3243998), (58, 2237240), (80, 1621999), (116, 1118620), (145, 894896), (232, 559310), (290, 447448), (464, 279655), (580, 223724), (1160, 111862), (2320, 55931)]