203416720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195593}}^1$

素因数の和:195619

約数の個数: 40

約数和(自身を含む): 509326776

約数和(自身を除く): 305910056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 195593, 391186, 782372, 977965, 1564744, 1955930, 2542709, 3129488, 3911860, 5085418, 7823720, 10170836, 12713545, 15647440, 20341672, 25427090, 40683344, 50854180, 101708360, 203416720]

約数ペア:

[(1, 203416720), (2, 101708360), (4, 50854180), (5, 40683344), (8, 25427090), (10, 20341672), (13, 15647440), (16, 12713545), (20, 10170836), (26, 7823720), (40, 5085418), (52, 3911860), (65, 3129488), (80, 2542709), (104, 1955930), (130, 1564744), (208, 977965), (260, 782372), (520, 391186), (1040, 195593)]