80649140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 201350016

約数和(自身を除く): 120700876

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 163, 173, 220, 260, 286, 326, 346, 572, 652, 692, 715, 815, 865, 1430, 1630, 1730, 1793, 1903, 2119, 2249, 2860, 3260, 3460, 3586, 3806, 4238, 4498, 7172, 7612, 8476, 8965, 8996, 9515, 10595, 11245, 17930, 19030, 21190, 22490, 23309, 24739, 28199, 35860, 38060, 42380, 44980, 46618, 49478, 56398, 93236, 98956, 112796, 116545, 123695, 140995, 233090, 247390, 281990, 310189, 366587, 466180, 494780, 563980, 620378, 733174, 1240756, 1466348, 1550945, 1832935, 3101890, 3665870, 4032457, 6203780, 7331740, 8064914, 16129828, 20162285, 40324570, 80649140]

約数ペア:

[(1, 80649140), (2, 40324570), (4, 20162285), (5, 16129828), (10, 8064914), (11, 7331740), (13, 6203780), (20, 4032457), (22, 3665870), (26, 3101890), (44, 1832935), (52, 1550945), (55, 1466348), (65, 1240756), (110, 733174), (130, 620378), (143, 563980), (163, 494780), (173, 466180), (220, 366587), (260, 310189), (286, 281990), (326, 247390), (346, 233090), (572, 140995), (652, 123695), (692, 116545), (715, 112796), (815, 98956), (865, 93236), (1430, 56398), (1630, 49478), (1730, 46618), (1793, 44980), (1903, 42380), (2119, 38060), (2249, 35860), (2860, 28199), (3260, 24739), (3460, 23309), (3586, 22490), (3806, 21190), (4238, 19030), (4498, 17930), (7172, 11245), (7612, 10595), (8476, 9515), (8965, 8996)]