130124920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 310780800

約数和(自身を除く): 180655880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 760, 1048, 1307, 1310, 2489, 2614, 2620, 4978, 5228, 5240, 6535, 9956, 10456, 12445, 13070, 19912, 24833, 24890, 26140, 49666, 49780, 52280, 99332, 99560, 124165, 171217, 198664, 248330, 342434, 496660, 684868, 856085, 993320, 1369736, 1712170, 3253123, 3424340, 6506246, 6848680, 13012492, 16265615, 26024984, 32531230, 65062460, 130124920]

約数ペア:

[(1, 130124920), (2, 65062460), (4, 32531230), (5, 26024984), (8, 16265615), (10, 13012492), (19, 6848680), (20, 6506246), (38, 3424340), (40, 3253123), (76, 1712170), (95, 1369736), (131, 993320), (152, 856085), (190, 684868), (262, 496660), (380, 342434), (524, 248330), (655, 198664), (760, 171217), (1048, 124165), (1307, 99560), (1310, 99332), (2489, 52280), (2614, 49780), (2620, 49666), (4978, 26140), (5228, 24890), (5240, 24833), (6535, 19912), (9956, 13070), (10456, 12445)]