19811200

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 50465520

約数和(自身を除く): 30654320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 151, 160, 164, 200, 205, 302, 320, 328, 400, 410, 604, 640, 656, 755, 800, 820, 1025, 1208, 1312, 1510, 1600, 1640, 2050, 2416, 2624, 3020, 3200, 3280, 3775, 4100, 4832, 5248, 6040, 6191, 6560, 7550, 8200, 9664, 12080, 12382, 13120, 15100, 16400, 19328, 24160, 24764, 26240, 30200, 30955, 32800, 48320, 49528, 60400, 61910, 65600, 96640, 99056, 120800, 123820, 131200, 154775, 198112, 241600, 247640, 309550, 396224, 483200, 495280, 619100, 792448, 990560, 1238200, 1981120, 2476400, 3962240, 4952800, 9905600, 19811200]

約数ペア:

[(1, 19811200), (2, 9905600), (4, 4952800), (5, 3962240), (8, 2476400), (10, 1981120), (16, 1238200), (20, 990560), (25, 792448), (32, 619100), (40, 495280), (41, 483200), (50, 396224), (64, 309550), (80, 247640), (82, 241600), (100, 198112), (128, 154775), (151, 131200), (160, 123820), (164, 120800), (200, 99056), (205, 96640), (302, 65600), (320, 61910), (328, 60400), (400, 49528), (410, 48320), (604, 32800), (640, 30955), (656, 30200), (755, 26240), (800, 24764), (820, 24160), (1025, 19328), (1208, 16400), (1312, 15100), (1510, 13120), (1600, 12382), (1640, 12080), (2050, 9664), (2416, 8200), (2624, 7550), (3020, 6560), (3200, 6191), (3280, 6040), (3775, 5248), (4100, 4832)]