79915160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 194654880

約数和(自身を除く): 114739720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 313, 491, 520, 626, 982, 1252, 1565, 1964, 2455, 2504, 3130, 3928, 4069, 4910, 6260, 6383, 8138, 9820, 12520, 12766, 16276, 19640, 20345, 25532, 31915, 32552, 40690, 51064, 63830, 81380, 127660, 153683, 162760, 255320, 307366, 614732, 768415, 1229464, 1536830, 1997879, 3073660, 3995758, 6147320, 7991516, 9989395, 15983032, 19978790, 39957580, 79915160]

約数ペア:

[(1, 79915160), (2, 39957580), (4, 19978790), (5, 15983032), (8, 9989395), (10, 7991516), (13, 6147320), (20, 3995758), (26, 3073660), (40, 1997879), (52, 1536830), (65, 1229464), (104, 768415), (130, 614732), (260, 307366), (313, 255320), (491, 162760), (520, 153683), (626, 127660), (982, 81380), (1252, 63830), (1565, 51064), (1964, 40690), (2455, 32552), (2504, 31915), (3130, 25532), (3928, 20345), (4069, 19640), (4910, 16276), (6260, 12766), (6383, 12520), (8138, 9820)]