2531500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 5687136

約数和(自身を除く): 3155636

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 83, 100, 122, 125, 166, 244, 250, 305, 332, 415, 500, 610, 830, 1220, 1525, 1660, 2075, 3050, 4150, 5063, 6100, 7625, 8300, 10126, 10375, 15250, 20252, 20750, 25315, 30500, 41500, 50630, 101260, 126575, 253150, 506300, 632875, 1265750, 2531500]

約数ペア:

[(1, 2531500), (2, 1265750), (4, 632875), (5, 506300), (10, 253150), (20, 126575), (25, 101260), (50, 50630), (61, 41500), (83, 30500), (100, 25315), (122, 20750), (125, 20252), (166, 15250), (244, 10375), (250, 10126), (305, 8300), (332, 7625), (415, 6100), (500, 5063), (610, 4150), (830, 3050), (1220, 2075), (1525, 1660)]