71897920

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2707}}^1$

素因数の和:2807

約数の個数: 56

約数和(自身を含む): 173333664

約数和(自身を除く): 101435744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 2707, 3320, 5312, 5414, 6640, 10828, 13280, 13535, 21656, 26560, 27070, 43312, 54140, 86624, 108280, 173248, 216560, 224681, 433120, 449362, 866240, 898724, 1123405, 1797448, 2246810, 3594896, 4493620, 7189792, 8987240, 14379584, 17974480, 35948960, 71897920]

約数ペア:

[(1, 71897920), (2, 35948960), (4, 17974480), (5, 14379584), (8, 8987240), (10, 7189792), (16, 4493620), (20, 3594896), (32, 2246810), (40, 1797448), (64, 1123405), (80, 898724), (83, 866240), (160, 449362), (166, 433120), (320, 224681), (332, 216560), (415, 173248), (664, 108280), (830, 86624), (1328, 54140), (1660, 43312), (2656, 27070), (2707, 26560), (3320, 21656), (5312, 13535), (5414, 13280), (6640, 10828)]