80806700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1107

約数の個数: 72

約数和(自身を含む): 192123120

約数和(自身を除く): 111316420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 1019, 1220, 1300, 1525, 1586, 2038, 3050, 3172, 3965, 4076, 5095, 6100, 7930, 10190, 13247, 15860, 19825, 20380, 25475, 26494, 39650, 50950, 52988, 62159, 66235, 79300, 101900, 124318, 132470, 248636, 264940, 310795, 331175, 621590, 662350, 808067, 1243180, 1324700, 1553975, 1616134, 3107950, 3232268, 4040335, 6215900, 8080670, 16161340, 20201675, 40403350, 80806700]

約数ペア:

[(1, 80806700), (2, 40403350), (4, 20201675), (5, 16161340), (10, 8080670), (13, 6215900), (20, 4040335), (25, 3232268), (26, 3107950), (50, 1616134), (52, 1553975), (61, 1324700), (65, 1243180), (100, 808067), (122, 662350), (130, 621590), (244, 331175), (260, 310795), (305, 264940), (325, 248636), (610, 132470), (650, 124318), (793, 101900), (1019, 79300), (1220, 66235), (1300, 62159), (1525, 52988), (1586, 50950), (2038, 39650), (3050, 26494), (3172, 25475), (3965, 20380), (4076, 19825), (5095, 15860), (6100, 13247), (7930, 10190)]