80131700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 191904384

約数和(自身を除く): 111772684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 194, 220, 275, 388, 485, 550, 751, 970, 1067, 1100, 1502, 1940, 2134, 2425, 3004, 3755, 4268, 4850, 5335, 7510, 8261, 9700, 10670, 15020, 16522, 18775, 21340, 26675, 33044, 37550, 41305, 53350, 72847, 75100, 82610, 106700, 145694, 165220, 206525, 291388, 364235, 413050, 728470, 801317, 826100, 1456940, 1602634, 1821175, 3205268, 3642350, 4006585, 7284700, 8013170, 16026340, 20032925, 40065850, 80131700]

約数ペア:

[(1, 80131700), (2, 40065850), (4, 20032925), (5, 16026340), (10, 8013170), (11, 7284700), (20, 4006585), (22, 3642350), (25, 3205268), (44, 1821175), (50, 1602634), (55, 1456940), (97, 826100), (100, 801317), (110, 728470), (194, 413050), (220, 364235), (275, 291388), (388, 206525), (485, 165220), (550, 145694), (751, 106700), (970, 82610), (1067, 75100), (1100, 72847), (1502, 53350), (1940, 41305), (2134, 37550), (2425, 33044), (3004, 26675), (3755, 21340), (4268, 18775), (4850, 16522), (5335, 15020), (7510, 10670), (8261, 9700)]