509959840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245173}}^1$

素因数の和:245201

約数の個数: 48

約数和(自身を含む): 1297460808

約数和(自身を除く): 787500968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 245173, 490346, 980692, 1225865, 1961384, 2451730, 3187249, 3922768, 4903460, 6374498, 7845536, 9806920, 12748996, 15936245, 19613840, 25497992, 31872490, 39227680, 50995984, 63744980, 101991968, 127489960, 254979920, 509959840]

約数ペア:

[(1, 509959840), (2, 254979920), (4, 127489960), (5, 101991968), (8, 63744980), (10, 50995984), (13, 39227680), (16, 31872490), (20, 25497992), (26, 19613840), (32, 15936245), (40, 12748996), (52, 9806920), (65, 7845536), (80, 6374498), (104, 4903460), (130, 3922768), (160, 3187249), (208, 2451730), (260, 1961384), (416, 1225865), (520, 980692), (1040, 490346), (2080, 245173)]