80187520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{2557}}^1$

素因数の和:2590

約数の個数: 96

約数和(自身を含む): 223083180

約数和(自身を除く): 142895660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 2557, 3136, 3920, 4480, 5114, 6272, 7840, 10228, 12785, 15680, 17899, 20456, 25570, 31360, 35798, 40912, 51140, 71596, 81824, 89495, 102280, 125293, 143192, 163648, 178990, 204560, 250586, 286384, 327296, 357980, 409120, 501172, 572768, 626465, 715960, 818240, 1002344, 1145536, 1252930, 1431920, 1636480, 2004688, 2291072, 2505860, 2863840, 4009376, 5011720, 5727680, 8018752, 10023440, 11455360, 16037504, 20046880, 40093760, 80187520]

約数ペア:

[(1, 80187520), (2, 40093760), (4, 20046880), (5, 16037504), (7, 11455360), (8, 10023440), (10, 8018752), (14, 5727680), (16, 5011720), (20, 4009376), (28, 2863840), (32, 2505860), (35, 2291072), (40, 2004688), (49, 1636480), (56, 1431920), (64, 1252930), (70, 1145536), (80, 1002344), (98, 818240), (112, 715960), (128, 626465), (140, 572768), (160, 501172), (196, 409120), (224, 357980), (245, 327296), (280, 286384), (320, 250586), (392, 204560), (448, 178990), (490, 163648), (560, 143192), (640, 125293), (784, 102280), (896, 89495), (980, 81824), (1120, 71596), (1568, 51140), (1960, 40912), (2240, 35798), (2557, 31360), (3136, 25570), (3920, 20456), (4480, 17899), (5114, 15680), (6272, 12785), (7840, 10228)]