201209995220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1\times {\mathrm{481571}}^1$

素因数の和:483200

約数の個数: 48

約数和(自身を含む): 455328252288

約数和(自身を除く): 254118257068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1607, 3214, 6428, 8035, 16070, 20891, 32140, 41782, 83564, 104455, 208910, 417820, 481571, 963142, 1926284, 2407855, 4815710, 6260423, 9631420, 12520846, 25041692, 31302115, 62604230, 125208460, 773884597, 1547769194, 3095538388, 3869422985, 7738845970, 10060499761, 15477691940, 20120999522, 40241999044, 50302498805, 100604997610, 201209995220]

約数ペア:

[(1, 201209995220), (2, 100604997610), (4, 50302498805), (5, 40241999044), (10, 20120999522), (13, 15477691940), (20, 10060499761), (26, 7738845970), (52, 3869422985), (65, 3095538388), (130, 1547769194), (260, 773884597), (1607, 125208460), (3214, 62604230), (6428, 31302115), (8035, 25041692), (16070, 12520846), (20891, 9631420), (32140, 6260423), (41782, 4815710), (83564, 2407855), (104455, 1926284), (208910, 963142), (417820, 481571)]