16295540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 37700712

約数和(自身を除く): 21405172

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 61, 74, 76, 95, 122, 148, 185, 190, 244, 305, 361, 370, 380, 610, 703, 722, 740, 1159, 1220, 1406, 1444, 1805, 2257, 2318, 2812, 3515, 3610, 4514, 4636, 5795, 7030, 7220, 9028, 11285, 11590, 13357, 14060, 22021, 22570, 23180, 26714, 42883, 44042, 45140, 53428, 66785, 85766, 88084, 110105, 133570, 171532, 214415, 220210, 267140, 428830, 440420, 814777, 857660, 1629554, 3259108, 4073885, 8147770, 16295540]

約数ペア:

[(1, 16295540), (2, 8147770), (4, 4073885), (5, 3259108), (10, 1629554), (19, 857660), (20, 814777), (37, 440420), (38, 428830), (61, 267140), (74, 220210), (76, 214415), (95, 171532), (122, 133570), (148, 110105), (185, 88084), (190, 85766), (244, 66785), (305, 53428), (361, 45140), (370, 44042), (380, 42883), (610, 26714), (703, 23180), (722, 22570), (740, 22021), (1159, 14060), (1220, 13357), (1406, 11590), (1444, 11285), (1805, 9028), (2257, 7220), (2318, 7030), (2812, 5795), (3515, 4636), (3610, 4514)]