15676700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 37914240

約数和(自身を除く): 22237540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 389, 403, 620, 650, 775, 778, 806, 1300, 1550, 1556, 1612, 1945, 2015, 3100, 3890, 4030, 5057, 7780, 8060, 9725, 10075, 10114, 12059, 19450, 20150, 20228, 24118, 25285, 38900, 40300, 48236, 50570, 60295, 101140, 120590, 126425, 156767, 241180, 252850, 301475, 313534, 505700, 602950, 627068, 783835, 1205900, 1567670, 3135340, 3919175, 7838350, 15676700]

約数ペア:

[(1, 15676700), (2, 7838350), (4, 3919175), (5, 3135340), (10, 1567670), (13, 1205900), (20, 783835), (25, 627068), (26, 602950), (31, 505700), (50, 313534), (52, 301475), (62, 252850), (65, 241180), (100, 156767), (124, 126425), (130, 120590), (155, 101140), (260, 60295), (310, 50570), (325, 48236), (389, 40300), (403, 38900), (620, 25285), (650, 24118), (775, 20228), (778, 20150), (806, 19450), (1300, 12059), (1550, 10114), (1556, 10075), (1612, 9725), (1945, 8060), (2015, 7780), (3100, 5057), (3890, 4030)]