19532500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:638

約数の個数: 60

約数和(自身を含む): 46075876

約数和(自身を除く): 26543376

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 601, 625, 650, 1202, 1250, 1300, 1625, 2404, 2500, 3005, 3250, 6010, 6500, 7813, 8125, 12020, 15025, 15626, 16250, 30050, 31252, 32500, 39065, 60100, 75125, 78130, 150250, 156260, 195325, 300500, 375625, 390650, 751250, 781300, 976625, 1502500, 1953250, 3906500, 4883125, 9766250, 19532500]

約数ペア:

[(1, 19532500), (2, 9766250), (4, 4883125), (5, 3906500), (10, 1953250), (13, 1502500), (20, 976625), (25, 781300), (26, 751250), (50, 390650), (52, 375625), (65, 300500), (100, 195325), (125, 156260), (130, 150250), (250, 78130), (260, 75125), (325, 60100), (500, 39065), (601, 32500), (625, 31252), (650, 30050), (1202, 16250), (1250, 15626), (1300, 15025), (1625, 12020), (2404, 8125), (2500, 7813), (3005, 6500), (3250, 6010)]