65210470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1609

約数の個数: 64

約数和(自身を含む): 140978880

約数和(自身を除く): 75768410

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1553, 1615, 2210, 2470, 3106, 3230, 4199, 7765, 8398, 15530, 20189, 20995, 26401, 29507, 40378, 41990, 52802, 59014, 100945, 132005, 147535, 201890, 264010, 295070, 343213, 383591, 501619, 686426, 767182, 1003238, 1716065, 1917955, 2508095, 3432130, 3835910, 5016190, 6521047, 13042094, 32605235, 65210470]

約数ペア:

[(1, 65210470), (2, 32605235), (5, 13042094), (10, 6521047), (13, 5016190), (17, 3835910), (19, 3432130), (26, 2508095), (34, 1917955), (38, 1716065), (65, 1003238), (85, 767182), (95, 686426), (130, 501619), (170, 383591), (190, 343213), (221, 295070), (247, 264010), (323, 201890), (442, 147535), (494, 132005), (646, 100945), (1105, 59014), (1235, 52802), (1553, 41990), (1615, 40378), (2210, 29507), (2470, 26401), (3106, 20995), (3230, 20189), (4199, 15530), (7765, 8398)]