51870980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 132088320

約数和(自身を除く): 80217340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 89, 92, 115, 140, 161, 178, 181, 230, 322, 356, 362, 445, 460, 623, 644, 724, 805, 890, 905, 1246, 1267, 1610, 1780, 1810, 2047, 2492, 2534, 3115, 3220, 3620, 4094, 4163, 5068, 6230, 6335, 8188, 8326, 10235, 12460, 12670, 14329, 16109, 16652, 20470, 20815, 25340, 28658, 29141, 32218, 40940, 41630, 57316, 58282, 64436, 71645, 80545, 83260, 112763, 116564, 143290, 145705, 161090, 225526, 286580, 291410, 322180, 370507, 451052, 563815, 582820, 741014, 1127630, 1482028, 1852535, 2255260, 2593549, 3705070, 5187098, 7410140, 10374196, 12967745, 25935490, 51870980]

約数ペア:

[(1, 51870980), (2, 25935490), (4, 12967745), (5, 10374196), (7, 7410140), (10, 5187098), (14, 3705070), (20, 2593549), (23, 2255260), (28, 1852535), (35, 1482028), (46, 1127630), (70, 741014), (89, 582820), (92, 563815), (115, 451052), (140, 370507), (161, 322180), (178, 291410), (181, 286580), (230, 225526), (322, 161090), (356, 145705), (362, 143290), (445, 116564), (460, 112763), (623, 83260), (644, 80545), (724, 71645), (805, 64436), (890, 58282), (905, 57316), (1246, 41630), (1267, 40940), (1610, 32218), (1780, 29141), (1810, 28658), (2047, 25340), (2492, 20815), (2534, 20470), (3115, 16652), (3220, 16109), (3620, 14329), (4094, 12670), (4163, 12460), (5068, 10235), (6230, 8326), (6335, 8188)]