40496540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 104598648

約数和(自身を除く): 64102108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 49, 62, 70, 86, 98, 124, 140, 155, 172, 196, 215, 217, 245, 301, 310, 430, 434, 490, 602, 620, 860, 868, 961, 980, 1085, 1204, 1333, 1505, 1519, 1922, 2107, 2170, 2666, 3010, 3038, 3844, 4214, 4340, 4805, 5332, 6020, 6076, 6665, 6727, 7595, 8428, 9331, 9610, 10535, 13330, 13454, 15190, 18662, 19220, 21070, 26660, 26908, 30380, 33635, 37324, 41323, 42140, 46655, 47089, 65317, 67270, 82646, 93310, 94178, 130634, 134540, 165292, 186620, 188356, 206615, 235445, 261268, 289261, 326585, 413230, 470890, 578522, 653170, 826460, 941780, 1157044, 1306340, 1446305, 2024827, 2892610, 4049654, 5785220, 8099308, 10124135, 20248270, 40496540]

約数ペア:

[(1, 40496540), (2, 20248270), (4, 10124135), (5, 8099308), (7, 5785220), (10, 4049654), (14, 2892610), (20, 2024827), (28, 1446305), (31, 1306340), (35, 1157044), (43, 941780), (49, 826460), (62, 653170), (70, 578522), (86, 470890), (98, 413230), (124, 326585), (140, 289261), (155, 261268), (172, 235445), (196, 206615), (215, 188356), (217, 186620), (245, 165292), (301, 134540), (310, 130634), (430, 94178), (434, 93310), (490, 82646), (602, 67270), (620, 65317), (860, 47089), (868, 46655), (961, 42140), (980, 41323), (1085, 37324), (1204, 33635), (1333, 30380), (1505, 26908), (1519, 26660), (1922, 21070), (2107, 19220), (2170, 18662), (2666, 15190), (3010, 13454), (3038, 13330), (3844, 10535), (4214, 9610), (4340, 9331), (4805, 8428), (5332, 7595), (6020, 6727), (6076, 6665)]