2018803540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127289}}^1$

素因数の和:127372

約数の個数: 48

約数和(自身を含む): 4640484240

約数和(自身を除く): 2621680700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 127289, 254578, 509156, 636445, 1272890, 1654757, 2545780, 3309514, 6619028, 7764629, 8273785, 15529258, 16547570, 31058516, 33095140, 38823145, 77646290, 100940177, 155292580, 201880354, 403760708, 504700885, 1009401770, 2018803540]

約数ペア:

[(1, 2018803540), (2, 1009401770), (4, 504700885), (5, 403760708), (10, 201880354), (13, 155292580), (20, 100940177), (26, 77646290), (52, 38823145), (61, 33095140), (65, 31058516), (122, 16547570), (130, 15529258), (244, 8273785), (260, 7764629), (305, 6619028), (610, 3309514), (793, 2545780), (1220, 1654757), (1586, 1272890), (3172, 636445), (3965, 509156), (7930, 254578), (15860, 127289)]