2021998420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{9613}}^1$

素因数の和:10444

約数の個数: 48

約数和(自身を含む): 4578955920

約数和(自身を除く): 2556957500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 809, 1618, 3236, 4045, 8090, 9613, 10517, 16180, 19226, 21034, 38452, 42068, 48065, 52585, 96130, 105170, 124969, 192260, 210340, 249938, 499876, 624845, 1249690, 2499380, 7776917, 15553834, 31107668, 38884585, 77769170, 101099921, 155538340, 202199842, 404399684, 505499605, 1010999210, 2021998420]

約数ペア:

[(1, 2021998420), (2, 1010999210), (4, 505499605), (5, 404399684), (10, 202199842), (13, 155538340), (20, 101099921), (26, 77769170), (52, 38884585), (65, 31107668), (130, 15553834), (260, 7776917), (809, 2499380), (1618, 1249690), (3236, 624845), (4045, 499876), (8090, 249938), (9613, 210340), (10517, 192260), (16180, 124969), (19226, 105170), (21034, 96130), (38452, 52585), (42068, 48065)]