47450000

素因数分解:

$2^4\times 5^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 125445096

約数和(自身を除く): 77995096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 73, 80, 100, 104, 125, 130, 146, 200, 208, 250, 260, 292, 325, 365, 400, 500, 520, 584, 625, 650, 730, 949, 1000, 1040, 1168, 1250, 1300, 1460, 1625, 1825, 1898, 2000, 2500, 2600, 2920, 3125, 3250, 3650, 3796, 4745, 5000, 5200, 5840, 6250, 6500, 7300, 7592, 8125, 9125, 9490, 10000, 12500, 13000, 14600, 15184, 16250, 18250, 18980, 23725, 25000, 26000, 29200, 32500, 36500, 37960, 40625, 45625, 47450, 50000, 65000, 73000, 75920, 81250, 91250, 94900, 118625, 130000, 146000, 162500, 182500, 189800, 228125, 237250, 325000, 365000, 379600, 456250, 474500, 593125, 650000, 730000, 912500, 949000, 1186250, 1825000, 1898000, 2372500, 2965625, 3650000, 4745000, 5931250, 9490000, 11862500, 23725000, 47450000]

約数ペア:

[(1, 47450000), (2, 23725000), (4, 11862500), (5, 9490000), (8, 5931250), (10, 4745000), (13, 3650000), (16, 2965625), (20, 2372500), (25, 1898000), (26, 1825000), (40, 1186250), (50, 949000), (52, 912500), (65, 730000), (73, 650000), (80, 593125), (100, 474500), (104, 456250), (125, 379600), (130, 365000), (146, 325000), (200, 237250), (208, 228125), (250, 189800), (260, 182500), (292, 162500), (325, 146000), (365, 130000), (400, 118625), (500, 94900), (520, 91250), (584, 81250), (625, 75920), (650, 73000), (730, 65000), (949, 50000), (1000, 47450), (1040, 45625), (1168, 40625), (1250, 37960), (1300, 36500), (1460, 32500), (1625, 29200), (1825, 26000), (1898, 25000), (2000, 23725), (2500, 18980), (2600, 18250), (2920, 16250), (3125, 15184), (3250, 14600), (3650, 13000), (3796, 12500), (4745, 10000), (5000, 9490), (5200, 9125), (5840, 8125), (6250, 7592), (6500, 7300)]