133669840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 322854336

約数和(自身を除く): 189184496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 164, 166, 205, 328, 332, 410, 415, 491, 656, 664, 820, 830, 982, 1328, 1640, 1660, 1964, 2455, 3280, 3320, 3403, 3928, 4910, 6640, 6806, 7856, 9820, 13612, 17015, 19640, 20131, 27224, 34030, 39280, 40262, 40753, 54448, 68060, 80524, 81506, 100655, 136120, 161048, 163012, 201310, 203765, 272240, 322096, 326024, 402620, 407530, 652048, 805240, 815060, 1610480, 1630120, 1670873, 3260240, 3341746, 6683492, 8354365, 13366984, 16708730, 26733968, 33417460, 66834920, 133669840]

約数ペア:

[(1, 133669840), (2, 66834920), (4, 33417460), (5, 26733968), (8, 16708730), (10, 13366984), (16, 8354365), (20, 6683492), (40, 3341746), (41, 3260240), (80, 1670873), (82, 1630120), (83, 1610480), (164, 815060), (166, 805240), (205, 652048), (328, 407530), (332, 402620), (410, 326024), (415, 322096), (491, 272240), (656, 203765), (664, 201310), (820, 163012), (830, 161048), (982, 136120), (1328, 100655), (1640, 81506), (1660, 80524), (1964, 68060), (2455, 54448), (3280, 40753), (3320, 40262), (3403, 39280), (3928, 34030), (4910, 27224), (6640, 20131), (6806, 19640), (7856, 17015), (9820, 13612)]