65158840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 152681760

約数和(自身を除く): 87522920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 593, 670, 820, 1186, 1340, 1640, 2372, 2680, 2747, 2965, 4744, 5494, 5930, 10988, 11860, 13735, 21976, 23720, 24313, 27470, 39731, 48626, 54940, 79462, 97252, 109880, 121565, 158924, 194504, 198655, 243130, 317848, 397310, 486260, 794620, 972520, 1589240, 1628971, 3257942, 6515884, 8144855, 13031768, 16289710, 32579420, 65158840]

約数ペア:

[(1, 65158840), (2, 32579420), (4, 16289710), (5, 13031768), (8, 8144855), (10, 6515884), (20, 3257942), (40, 1628971), (41, 1589240), (67, 972520), (82, 794620), (134, 486260), (164, 397310), (205, 317848), (268, 243130), (328, 198655), (335, 194504), (410, 158924), (536, 121565), (593, 109880), (670, 97252), (820, 79462), (1186, 54940), (1340, 48626), (1640, 39731), (2372, 27470), (2680, 24313), (2747, 23720), (2965, 21976), (4744, 13735), (5494, 11860), (5930, 10988)]